7.29 6th edition Cobalt vs Colbaltate

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MaiaRodriguezChoi3E
Posts: 32
Joined: Fri Sep 28, 2018 12:25 am

7.29 6th edition Cobalt vs Colbaltate

Postby MaiaRodriguezChoi3E » Sun Dec 02, 2018 8:26 pm

So for this question it was asking for the names of different coordination compounds, several of which had cobalt as the metal to which the ligands are bound. The compounds were b) [Co(NH3)6] 3+, c)[Co(CN)5(OH2)]2-, and d) [Co(SO4)(NH3)5]+. For b and d, cobalt was just called cobalt in the full name of the compound, but for c cobalt was "cobaltate". I'm confused as to why this is, and how I should go about distinguishing this in the future.

Tessa Lawler 1A
Posts: 57
Joined: Fri Sep 28, 2018 12:18 am

Re: 7.29 6th edition Cobalt vs Colbaltate

Postby Tessa Lawler 1A » Sun Dec 02, 2018 8:28 pm

If the coordination compound is overall negatively charged, you add "ate" to the end of it.


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